Home / 20,799.61-31,204.88-7,473.95

Finding the Fourth Proportional to 20,799.61, 31,204.88 and 7,473.95

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Solution

The fourth proportional to 20,799.61, 31,204.88 and 7,473.95 is: 11,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.61 : 31,204.88 = 7,473.95 : x
  2. Step 2: Convert to fraction form
    20,799.61/31,204.88 = 7,473.95/x
  3. Step 3: Cross multiply
    20,799.61x = 31,204.88 × 7,473.95
  4. Step 4: Simplify right side
    20,799.61x = 233,223,575.54
  5. Step 5: Solve for x
    x = 233,223,575.54/20,799.61
  6. Step 6: Final answer
    x = 11,212.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.